Impact of Statistical Adjustment for Frequency of Venue Attendance in a Venue-based Survey of Men Who Have Sex With Men

Gustafson, Paul; Gilbert, Mark; Xia, Michelle; Michelow, Warren; Robert, Wayne; Trussler, Terry; McGuire, M; Paquette, Daniel; Moore, David; Gustafson, Réka

doi:10.1093/aje/kws358

Cited by 27 publications

(20 citation statements)

References 20 publications

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“…18,19 Data for the MSM cycles are unweighted due to lack of data on frequency of venue attendance across cycles. 20–22 Unweighted analysis of MSM cycle data is consistent with previous national and local publications. 23–26 …”

Section: Methodssupporting

confidence: 83%

Development of an HIV Testing Dashboard to Complement the HIV Care Continuum Among MSM, PWID, and Heterosexuals in Washington, DC, 2007–2015

Patrick

Greenberg

Magnus³

et al. 2017

JAIDS Journal of Acquired Immune Deficiency Syndromes

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Background We developed an HIV testing dashboard to complement the HIV care continuum in selected high-risk populations. Using NHBS data, we examined trends in HIV testing and care for men who have sex with men (MSM), persons who inject drugs (PWID) and heterosexuals at elevated risk (HET). Methods Between 2007–2015, 4,792 participants ≥18 years old completed a behavioral survey and were offered HIV testing. For the testing dashboard, proportions ever tested, tested in the past year, testing HIV-positive, and newly testing positive were calculated. An abbreviated care continuum for self-reported positives (SRP) included ever engagement in care, past year care, and current ARV use. The testing dashboard and care continuum were calculated separately for each population. Chi-square test for trend was used to assess significant trends over time. Results Among MSM, lifetime HIV testing and prevalence significantly increased from 96% to 98% (p=0.01) and 14% to 20% (p=0.02) over time; prevalence was highest among Black MSM at all time points. HIV prevalence among female PWID was significantly higher in 2015 vs. 2009 (27% and 13%; p<0.01). Among HET from 2010 to 2013, annual testing increased significantly (45% to 73%; p<0.001) and the proportion newly diagnosed decreased significantly (p<0.01). SRP MSM had high levels of care engagement and ARV use; among SRP PWID and HET, past year care engagement and ARV use increased over time. Conclusions The HIV testing dashboard can be used to complement the HIV care continuum to display improvements and disparities in HIV testing and care over time.

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Section: Methodssupporting

confidence: 83%

Development of an HIV Testing Dashboard to Complement the HIV Care Continuum Among MSM, PWID, and Heterosexuals in Washington, DC, 2007–2015

Patrick

Greenberg

Magnus³

et al. 2017

JAIDS Journal of Acquired Immune Deficiency Syndromes

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“…Further statistical analysis which adjusted for the frequency of venue attendance estimated the seroprevalence of HCV to be 7% 14. Also, as a cross-sectional survey, risk factors examined may not reflect behaviours at the time HCV infection occurred.…”

Section: Discussionmentioning

confidence: 99%

Seroprevalence of hepatitis C and correlates of seropositivity among men who have sex with men in Vancouver, Canada: a cross-sectional survey: Table 1

et al. 2015

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“…Finally, seasonal patterns of venue attendance are an important barrier to recruitment [8]. Additionally, there are still concerns about how to best control for selection bias in VBTS due to the unequal sampling probabilities of participants, because MSM who visit gay venues more frequently are more likely to be sampled [8-11]. The limitations of VBTS, have led to an interest in developing other sampling methods that may allow researchers to complement VBTS by reaching comparable populations; the Internet and social media may present such an opportunity.…”

Section: Introductionmentioning

confidence: 99%

The Comparability of Men Who Have Sex With Men Recruited From Venue-Time-Space Sampling and Facebook: A Cohort Study

Hernández-Romieu¹,

Sullivan²,

Sanchez³

et al. 2014

JMIR Res Protoc

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BackgroundRecruiting valid samples of men who have sex with men (MSM) is a key component of the US human immunodeficiency virus (HIV) surveillance and of research studies seeking to improve HIV prevention for MSM. Social media, such as Facebook, may present an opportunity to reach broad samples of MSM, but the extent to which those samples are comparable with men recruited from venue-based, time-space sampling (VBTS) is unknown.ObjectiveThe objective of this study was to assess the comparability of MSM recruited via VBTS and Facebook.MethodsHIV-negative and HIV-positive black and white MSM were recruited from June 2010 to December 2012 using VBTS and Facebook in Atlanta, GA. We compared the self-reported venue attendance, demographic characteristics, sexual and risk behaviors, history of HIV-testing, and HIV and sexually transmitted infection (STI) prevalence between Facebook- and VTBS-recruited MSM overall and by race. Multivariate logistic and negative binomial models estimated age/race adjusted ratios. The Kaplan-Meier method was used to assess 24-month retention.ResultsWe recruited 803 MSM, of whom 110 (34/110, 30.9% black MSM, 76/110, 69.1% white MSM) were recruited via Facebook and 693 (420/693, 60.6% black MSM, 273/693, 39.4% white MSM) were recruited through VTBS. Facebook recruits had high rates of venue attendance in the previous month (26/34, 77% among black and 71/76, 93% among white MSM; between-race P=.01). MSM recruited on Facebook were generally older, with significant age differences among black MSM (P=.02), but not white MSM (P=.14). In adjusted multivariate models, VBTS-recruited MSM had fewer total partners (risk ratio [RR]=0.78, 95% CI 0.64-0.95; P=.01) and unprotected anal intercourse (UAI) partners (RR=0.54, 95% CI 0.40-0.72; P<.001) in the previous 12 months. No significant differences were observed in HIV testing or HIV/STI prevalence. Retention to the 24-month visit varied from 81% for black and 70% for white MSM recruited via Facebook, to 77% for black and 78% for white MSM recruited at venues. There was no statistically significant differences in retention between the four groups (log-rank P=.64).ConclusionsVBTS and Facebook recruitment methods yielded similar samples of MSM in terms of HIV-testing patterns, and prevalence of HIV/STI, with no differences in study retention. Most Facebook-recruited men also attended venues where VTBS recruitment was conducted. Surveillance and research studies may recruit via Facebook with little evidence of bias, relative to VBTS.

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Impact of Statistical Adjustment for Frequency of Venue Attendance in a Venue-based Survey of Men Who Have Sex With Men

Cited by 27 publications

References 20 publications

Development of an HIV Testing Dashboard to Complement the HIV Care Continuum Among MSM, PWID, and Heterosexuals in Washington, DC, 2007–2015

Development of an HIV Testing Dashboard to Complement the HIV Care Continuum Among MSM, PWID, and Heterosexuals in Washington, DC, 2007–2015

Seroprevalence of hepatitis C and correlates of seropositivity among men who have sex with men in Vancouver, Canada: a cross-sectional survey: Table 1

The Comparability of Men Who Have Sex With Men Recruited From Venue-Time-Space Sampling and Facebook: A Cohort Study

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